The first two images were taken at the San Diego Wind Tunnel (LSWT|SD), which was built in the mid-1940s and remains in service, today. Shown are...
Some engine-quitting problems can be traced to the brass-tube tank vent, which closes when it touches the top of the tank (see arrow) and causes fuel...
The aluminum upper guide used on sliding doors makes a fine heatsink when it’s cut to length and glued to a motor, and in some cases...
Hydrogen fuel cells are steadily catching on in ground-based transportation, but could they soon be a fixture of our airspace? That appears to be the goal...
The highest-resolution global image of Mars ever created is now available for viewing in B&W by armchair astronomers. View the planet’s surface and track the paths...
With an old pair of jeans, some wide fabric tape, a piece of Velcro® and time spent on a sewing machine, you’ll have a handy “quick-pick”...
To organize your toolbox, put strips of self-adhesive magnetic tape into the bottom of each compartment, and screws, etc., will stay put. Adapted from 400 Great...
Dead birds preserved with taxidermy and powered with micro-size UAV electronics and servos are being converted into flying ornithopters at the New Mexico Institute of Mining...
Rarely is an aircraft mockup photo from the days preceding computer modeling shown, especially of concepts that never flew. The workmanship on most mockups, from a...
Make this slender saw by carefully grinding off the straight edge of a hacksaw blade. You’ll find it invaluable for cutting out disks or the inside...
When you have mastered basic loops and rolls, all the different ways that they can be combined are practically infinite. A classic combo is the Immelmann...
A camera tripod can be adapted to hold a wing or a fuselage at a convenient angle for assembly. If you put the tripod into a...